"SO excited for you guys to see #plltheperfectionists," Pieterse wrote on Instagram. "We put a lot of love into this and I think you are gonna adore it! I love all of you #pll fans tremendously and I know @janelparrish and I will make you proud."
Pretty Little Liars ended in June 2017 after a seven-season run. A first spinoff, Ravenswood, was canceled in 2014 after one season.
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